18
Maintenance
(continued)
2.
Remove and inspect the pre-filter.
If the pre-filter is torn or otherwise
damaged, replace it with a new
one.
3.
Clean the pre-filter with soap and
water. Let dry before reinstalling.
4.
Inspect the air filter element. If the
element is damaged or distorted,
replace it with a new one.
5.
Tap filter gently on a hard surface to
dislodge debris from element or use
compressed air from the inside to blow
debris out and away from the air filter
element.
6.
Install the air filter element, pre-filter
and cover in the reverse order of
removal.
Components of air filter
Filter element
Loosen
fasteners
Remove the cover of the air filter
10-Hour maintenance
(more frequently in dusty
conditions)
1.
Remove the air filter cover by
loosening the cover screw(s) and
lifting.
IMPORTANT!
Direct the air stream at the inside face
of the filter only!
CAUTION!
Never operate the unit if the air
cleaner assembly is damaged or
missing!
Prefilter
Remove and inspect spark plug
spark plug gap--all models
0.6 mm
(0.024 in)
Clean the spark
plug and check
the gap at the
electrode.
50-hour maintenance
CAUTION!
Before removing the spark plug,
clean the area around the plug to
prevent dirt and debris from getting
into the engine’s internal parts.
10/15-Hour maintenance
Remove and clean or replace the
spark plug.
■
Clean the spark plug. Adjust
electrode gap according to the values
listed in the ”Specifications” section.
If the spark plug must be replaced,
use only the type recommended in
”Specifications” or equivalent resistor
type spark plug of the correct heat
range.
Gearcase lubrication
1. Clean all loose debris from gear box.
2. Remove plug (A) and check level of grease. Grease should fill gear case
to bottom of grease plug hole.
3. Add grease if necessary using manual grease gun or squeeze-type tube.
Do not use high pressure grease gun. DO NOT over-fill.
A
